<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 

class Myutils {

    function ago($timestamp){
		$difference = time() - $timestamp;
		$periods = array("second", "minute", "hour", "day", "week", "month", "years", "decade");
		$lengths = array("60","60","24","7","4.35","12","10");
		for($j = 0; $difference >= $lengths[$j]; $j++)
		$difference /= $lengths[$j];
		$difference = round($difference);
		if($difference != 1) $periods[$j].= "s";
		$text = "$difference $periods[$j] ago";
		return $text;
	}
	
}